Proportions Math

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How can you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first term over the second term.

Front

What is the simplest form of the ratio 12:16?

Back

The simplest form of 12:16 is 3:4.

Front

If 3:5 is equivalent to x:20, what is x?

Back

x = 12.

Front

What is the ratio of 15 girls to 6 boys in simplest form?

Back

The simplest form is 5:2.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, and fractions can represent ratios.

Front

If the ratio of dogs to cats is 5:3 and there are 25 dogs, how many cats are there?

Back

There are 15 cats.